Legal notice

Disclaimers

Last updated: May 27, 2026. This page applies to ChemCalc at chemcalc.pro, operated personally by Saswati Bhattacharyya in West Bengal, India. It is not legal advice and should be reviewed before launch.

Educational use only

ChemCalc is intended for everyone aged 13 and older for learning, study, teaching support, and general productivity. It is not a substitute for professional scientific judgment, laboratory validation, safety review, or regulatory advice.

Accuracy

We try to provide useful calculations, but formulas, unit conversions, atomic masses, rounding, user input, browser behavior, and software defects can produce incorrect results.

High-risk use

Do not use ChemCalc as the sole source for medical, pharmaceutical, hazardous material, industrial, engineering, environmental, legal, regulatory, emergency, or life-safety decisions.

Academic integrity

Students are responsible for following their school, university, exam, or competition rules when using ChemCalc.

Global availability

ChemCalc may not be appropriate or lawful in every jurisdiction. You are responsible for complying with local laws that apply to your use.